Question
In 2019, a Gallup Poll asked 500 Canadians aged 18 or over to answer yes or no to the following question:Do you feel the current
In 2019, a Gallup Poll asked 500 Canadians aged 18 or over to answer "yes" or "no" to the following question:"Do you feel the current economy is excellent/good"?A 95% confidence interval of the results of this question was calculated to be (0.396, 0.484).
Which of the following is a proper interpretation of this interval?
A. With 95% confidence, we estimate the average score on this question is anywhere from 0.396 to 0.484 for the 500 people who were sampled.
B. With 95% confidence, we estimate the average score on this question is anywhere from 0.396 to 0.484 for all Canadians age 18 or older.
C. With 95% confidence, we estimate that anywhere from 39.6% to 48.4% of the 500 people who were sampled think the economy is excellent/good.
D. With 95% confidence, we estimate that anywhere from 39.6% to 48.4% of all Canadians age 18 or older think the economy is excellent/good.
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Essentials of Business Analytics
Authors: Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson
2nd edition
1305627733, 978-1305861817, 1305861817, 978-0357688960, 978-1305627734
